Home / 399,331,944,557.80-550,756,757,041.38-351,056,768,952.04

Finding the Fourth Proportional to 399,331,944,557.80, 550,756,757,041.38 and 351,056,768,952.04

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Solution

The fourth proportional to 399,331,944,557.80, 550,756,757,041.38 and 351,056,768,952.04 is: 484,175,859,808.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,331,944,557.80 : 550,756,757,041.38 = 351,056,768,952.04 : x
  2. Step 2: Convert to fraction form
    399,331,944,557.80/550,756,757,041.38 = 351,056,768,952.04/x
  3. Step 3: Cross multiply
    399,331,944,557.80x = 550,756,757,041.38 × 351,056,768,952.04
  4. Step 4: Simplify right side
    399,331,944,557.80x = 193,346,887,605,450,541,367,296
  5. Step 5: Solve for x
    x = 193,346,887,605,450,541,367,296/399,331,944,557.80
  6. Step 6: Final answer
    x = 484,175,859,808.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.